# import requests
#
# req = requests.get(r'http://nau.edu.cn/')
# print(req.content.decode('UTF-8'))
# print(req.encoding)

# hello = input('Say something:')
# print(hello)

# n = int(input('Input a number:'))
# print(n+1)

# numbers = input('Input a list of numbers:')
# numbers = list(map(int, numbers.split(',')))
# print(sum(numbers))

# import sys
# print(sys.argv)
# # python main.py 1 3 5

# import argparse
#
# parser = argparse.ArgumentParser()
# parser.add_argument('-a', type=int)
# parser.add_argument('-b', type=int, default=0)
# args = parser.parse_args()
#
# result = args.a + args.b
# print(result)

# import math
#
# print(f'Pi is {math.pi:.2f}') # f-string
# print('Pi is {:.2f}'.format(math.pi))
# # s f d

# f = open('main.py')
# print(f.read())
# f.close()

import turtle

turtle.goto(0, 0)
turtle.pendown()

# for _ in range(2):
#     turtle.forward(200)
#     turtle.left(90)
#     turtle.forward(300)
#     turtle.left(90)

for _ in range(72):
    turtle.forward(300)
    turtle.left(180-5)

input('>')
